baber/WOPTO huggingface dataset:
Patent CN-114384500-A (CN)
Inventor: WANG TAIXING
IPC: G01S7/48
Filed: 2022-01-21
Abstract: 本申请公开了一种多雷达数据标定参量获取方法、装置及相关设备，获取多个雷达对相同的三个互不平行的面采集的点云数据，根据雷达的安装位置，对每个雷达采集的点云数据进行矫正，得到每个雷达对应的矫正后的点云数据，针对每个雷达从对应的矫正后的点云数据中，确定三个互不平行的面各自对应的点云数据，并利用每个面的点云数据拟合得到对应的标定平面，利用得到的标定平面确定每个雷达对应的标定参量。本申请利用每个雷达对相同的三个互不平行的面进行数据采集，并利用采集得到的三个面的点云数据拟合得到三个面在每个雷达中对应的标定平面，利用不同雷达中同一个面对应的标定平面，确定每个雷达对应的标定参量，以便于对多雷达数据进行标定。
Patent EG-23708-A (EG)
Title: Method of removing iron oxide deposits from the surface of titanium components
Inventor: BELMONTE FRANK
IPC: B01D3/34
Filed: 2004-04-04
Granted: 2007-05-27
Abstract: Disclosed is a method and solvent composition capable of removing iron oxide deposits from the surface of titanium components without substantially damaging the underlying titanium component. Iron oxide deposits may be removed from the surface of a titanium component by contacting the titanium component with the solvent composition of the invention. The solvent composition may then be removed from contact with the titanium component to obtain a recyclable solvent composition which is recycled into repeated contact with the titanium component. The solvent composition comprises an aqueous mixture of an organic acid and a hydrohalide acid.
Patent IN-2014DN10528-A (IN)
Inventor: CUMMINS RICHARD
IPC: C01B3/06
Filed: 2013-07-02
Abstract: A method for generation of hydrogen by adding a liquid containing water and at least one organic acid to a solid composition containing at least one alkali metal borohydride and at least one carbon selected from activated carbon derived from coal and carbon black derived from peat.
Patent MY-159148-A (MY)
Title: Providing suggested sites associated with target sites
Inventor: GRUENHAGEN RICHARD J
IPC: G06Q50/00
Filed: 2009-11-07
Abstract: SYSTEMS, METHODS, AND COMPUTER STORAGE MEDIA HAVING COMPUTER-EXEECUTABLE INSTRUCTIONS EMBODIED THEREON THAT FACILITATE PROVIDING SUGGESTED SITES IN ACCORDANCE WITH TARGET SITES ARE PROVIDED. WEB-BROWSED DATA IS LOCALLY STORED ON A USER DEVICE (210) AND UPLOADED TO A SUGGESTION ENGINE (212). ADDITIONAL WEB-BROWSED DATA IS COMMUNICATED TO THE SUGGESTION ENGINE VIA A SUGGESTED SITE REQUEST THAT PROVIDES A REQUEST FOR SUGGESTED SITES RELATED TO A TARGET SITE. IN EMBODIMENTS, THE WEB-BROWSED DATA CONTAINED IN THE SUGGESTED SITE REQUEST INCLUDES DATA NOT PREVIOUSLY UPLOADED TO THE SUGGESTION ENGINE. THE SUGGESTION ENGINE UTILIZES THE WEB-BROWSED DATA UPLOADED TO THE SUGGESTION ENGINE AND THE WEB-BROWSED DATA COMMUNICATED VIA THE SUGGESTED SITE REQUEST TO PROVIDE SUGGESTED SITES IN ASSOCIATION WITH THE TARGET SITE.
Patent MY-164189-A (MY)
Title: Method for forming a bevel cut at an end of a wood member
Inventor: TOSHIYUKI OTSUKA
IPC: B27F5/02
Filed: 2011-04-28
Abstract: A METHOD FOR FORMING A BEVEL CUT AT AN END OF A WOOD MEMBER (62) IS DISCLOSED. A WOOD MEMBER IS PLACED ON A SUPPORT TABLE (42) AND A PLURALITY OF CUTTERS (3) MOUNTED ON AND SPACED ALONG A SHAFT (2) EXTENDING IN PARALLEL TO THE END OF THE WOOD MEMBER ON THE TABLE IS MOVED RELATIVE TO THE TABLE IN A DIRECTION INCLINED WITH RESPECT TO THE WOOD MEMBER THEREBY TO MAKE A FIRST CUTTING TO FORM A PLURALITY OF BEVEL CUTS. THE SUPPORT TABLE IS SHIFTED IN THE DIRECTION PARALLEL TO THE END OF THE WOOD MEMBER AND A SECOND CUTTING IS MADE BY THE RELATIVE MOVEMENT BETWEEN THE CUTTERS AND THE TABLE. DURING THE FIRST AND SECOND CUTTING, THE WOOD MEMBER IS PRESSED AGAINST THE SUPPORT TABLE BY A PRESSING MEMBER (34) AT A POSITION ADJACENT TO THE END OF THE WOOD MEMBER AND BETWEEN ANY TWO ADJACENT CUTTERS.
Patent MY-173945-A (MY)
Title: Hydroxyl functional oil polyol acrylic graft copolymers
Inventor: CRAUN GARY P
Filed: 2010-03-02
Abstract: Hydroxyl functional oil polyol acrylic graft copolymers are disclosed which can be used to produce coating compositions and coated surfaces. In some embodiments, the coating compositions are used to coat substrates such as packaging materials and the like for the storage of food and beverages. The hydroxyl functional oil polyol acrylic graft copolymers can be prepared by heating an epoxidized vegetable oil and a hydroxyl functional material in the presence of an acid catalyst to form a hydroxyl functional oil polyol, and reacting the hydroxyl functional oil polyol with a mixture of an ethylenically unsaturated monomer component in the presence of an initiator to form the hydroxyl functional oil polyol acrylic graft copolymer. Coating compositions can be prepared by crosslinking the hydroxyl functional oil polyol acrylic graft copolymers with a crosslinker.
Patent MY-153567-A (MY)
Title: Drilling collision avoidance apparatus, methods, and systems
Inventor: RODNEY PAUL F
IPC: G01V3/08
Filed: 2010-04-13
Abstract: IN SOME EMBODIMENTS, APPARATUS (300) AND SYSTEMS, AS WELL AS METHODS, MAY OPERATE TO LAUNCH A SET OF CURRENTS INTO A CORRESPONDING SET OF EXISTING WELL CASINGS; MONITOR, IN A WELL UNDER CONSTRUCTION, CHANGES IN AT LEAST ONE OF A MAGNETIC FIELD OR AN ELECTRIC FIELD PERTURBED BY THE SET OF CURRENTS AFTER EACH ONE OF THE SET IS LAUNCHED; AND DETERMINE A LOCATION OF THE WELL UNDER CONSTRUCTION IN RELATION TO THE SET OF EXISTING WELL CASINGS. IN SOME EMBODIMENTS, THE ACTIVITIES INCLUDE INDUCING CURRENT INTO A DRILLSTRING LOCATED IN A WELL UNDER CONSTRUCTION; MONITORING, AT A SET OF EXISTING WELL CASINGS, CHANGES IN AT LEAST ONE OF A MAGNETIC FIELD OR AN ELECTRIC FIELD PERTURBED BY THE CURRENT AFTER THE CURRENT IS INDUCED; AND DETERMINING A LOCATION OF THE WELL UNDER CONSTRUCTION IN RELATION TO THE SET OF EXISTING WELL CASINGS. ADDITIONAL APPARATUS (300), SYSTEMS, AND METHODS ARE DISCLOSED. THE MOST ILLUSTRATIVE DRAWING IS
Patent MY-155850-A (MY)
Title: Carbon oxides coversion process
Inventor: WILLIAM PARK COLIN
IPC: B01J21/04
Filed: 2010-05-24
Abstract: A CARBON OXIDES CONVERSION PROCESS IS DESCRIBED, WHICH COMPRISES REACTING A CARBON OXIDE CONTAINING PROCESS GAS CONTAINING HYDROGEN AND/OR STEAM AND CONTAINING AT LEAST ONE OF HYDROGEN AND CARBON MONOXIDE IN THE PRESENCE OF A CATALYST COMPRISING SHAPED UNITS FORMED FROM A REDUCED AND PASSIVATED CATALYST POWDER SAID POWDER COMPRISING COPPER IN THE RANGE 10-80% BY WEIGHT, ZINC OXIDE IN THE RANGE 20-90% BY WEIGHT, ALUMINA IN THE RANGE 5-60% BY WEIGHT AND OPTIONALLY ONE OR MORE OXIDIC PROMOTER COMPOUNDS SELECTED FROM COMPOUNDS OF MG, CR, MN, V, TI, ZR, TA, MO, W, SI AND RARE EARTHS IN THE RANGE 0.01-10 % BY WEIGHT, WHEREIN SAID SHAPED UNITS HAVE A REDUCED TO AS-MADE MEAN HORIZONTAL CRUSH STRENGTH RATIO OF ? 0.5:1 AND A COPPER SURFACE AREA ABOVE 60M2/G CU.
Patent MY-157849-A (MY)
Title: Insecticidal compounds based on isoxazoline derivatives
Inventor: YVES CASSAYRE JÉRÔME
IPC: C07D413/12
Filed: 2010-12-01
Abstract: THE PRESENT INVENTION RELATES TO COMPOUNDS OF FORMULA (I): WHEREIN A¹, A², A³, A?, G¹, L, Y¹, Y², Y³, Y?, R¹, R², R³ AND R? ARE AS DEFINED IN CLAIM 1; OR A SALT OR N-OXIDE THEREOF. FURTHERMORE, THE PRESENT INVENTION RELATES TO INTERMEDIATES FOR PREPARING COMPOUNDS OF FORMULA (I), TO COMPOSITIONS COMPRISING THEM AND TO METHODS OF USING THEM TO COMBAT AND CONTROL INSECT, ACARINE, NEMATODE AND MOLLUSE PESTS.
Patent MY-164721-A (MY)
Title: Cryogenic systems for removing acid gases from a hydrocarbon gas stream using co-current separation devices
Inventor: PAUL SCOTT NORTHROP
IPC: F25J3/00
Filed: 2011-06-28
Abstract: A SYSTEM FOR REMOVING ACID GASES FROM A RAW GAS STREAM IS PROVIDED. THE SYSTEM INCLUDES A CRYOGENIC DISTILLATION COLUMN. THE CRYOGENIC DISTILLATION COLUMN (240, 340) RECEIVES A DEHYDRATED AND CHILLED SOUR GAS STREAM, AND SEPARATES THE SOUR GAS STREAM INTO AN OVERHEAD GAS STREAM (246, 346) COMPRISED PRIMARILY OF METHANE, AND A BOTTOM ACID GAS STREAM COMPRISED PRIMARILY OF CARBON DIOXIDE. THE SYSTEM ALSO INCLUDES A SERIES OF CO-CURRENT CONTACTORS. THE CO-CURRENT CONTACTORS MAY BE PLACED IN SERIES TO RECEIVE THE BOTTOM ACID GAS STREAM (248, 348) AND RECAPTURE ANY ENTRAINED METHANE GAS. ALTERNATIVELY OR IN ADDITION, THE CO-CURRENT CONTACTORS MAY BE PLACED IN SERIES TO RECEIVE THE OVERHEAD GAS STREAM (246, 346), AND SWEETEN IT USING A REFLUX LIQUID SUCH AS METHANE. IN THIS INSTANCE, THE SWEETENED GAS IS OPTIONALLY LIQUEFIED AND DELIVERED FOR COMMERCIAL SALE, OR IS USED AS FUEL GAS ON-SITE. (FIG. 2)
Patent MY-162941-A (MY)
Title: Subsea sour gas and/or acid gas injection systems and methods
Inventor: FIELER ELEANOR
IPC: B01D47/00
Filed: 2012-05-24
Abstract: A HYDROCARBON PROCESSING METHOD, INCLUDING PROCESSING A GASEOUS HYDROCARBON STREAM TO FORM A FIRST PRODUCTION STREAM AND A FIRST INJECTION STREAM (233); AND COMPRESSING THE FIRST INJECTION STREAM (233) IN A COMPRESSOR (218) PLACED AT A SELECTED LOCATION BELOW A SURFACE OF A SEA (216); WHEREIN THE LOCATION OF THE SUBSEA COMPRESSOR (230) RELATIVE TO A NEAREST INHABITED AREA (238) IS DETERMINED BASED ON A BUBBLE PLUME TRAJECTORY OF A MODEL LEAK OF THE FIRST INJECTION STREAM (233) FROM THE COMPRESSOR (218); AND WHEREIN THE BUBBLE PLUME TRAJECTORY IS DETERMINED USING ONE OR MORE CROSSFLOW MOMENTUM PARAMETERS IS DISCLOSED HEREIN. ALSO DISCLOSED ARE HYDROCARBON PROCESSING FACILITIES HAVING SUBSEA COMPRESSORS PLACED AT SUCH SELECTED LOCATIONS, PROCESSES FOR DESIGNING SUCH HYDROCARBON PROCESSING FACILITIES, AND A MATHEMATICAL MODEL USEFUL IN SUCH METHODS, PROCESSES, AND FACILITIES. (FIG.1)
Patent MY-184995-A (MY)
Title: Electrical appliance that can also be used in industry for cooling or freezing products with maximum speed
Inventor: DR KARL OFELE
Filed: 2012-01-13
Abstract: Electrical appliance that can also be used in industry for cooling or freezing products with maximum speed (1 ), is conceived with the intention of providing a novel and practical alternative of use and application, consisting of highly accelerated cooling or freezing of all kinds of food products or beverages (20), selecting the desired temperature or time from a control panel (12), all this using preferably the gas R41 OA, which when introduced into the compressing motor (6) is responsible for compressing the gas of the circuit passing through the coil (11 ), the condenser (7), the first filter dryer (8), the capillary tube (9), the evaporator (5), the second filter dryer (10) strategically placed for rearranging the particles and molecules, continuing through the coil (11) until returning to the compressing motor (6), this set of components becoming a single closed circuit, without the need to be recharged. One or more fans (15) are placed on walls or ceiling of the evaporator (5) for transmitting a cold shock or thermal sensation making use of the cold existing within the evaporator (5). The system of a second filter (10) strategically placed is essential for cooling with maximum speed.
Patent MY-164110-A (MY)
Title: Emergency stop device with attached hand brake system
Inventor: LEE GUM GEE
IPC: B66B5/22
Filed: 2012-07-03
Abstract: DISCLOSED IS AN EMERGENCY STOP DEVICE (100) WITH AN ATTACHED HAND BRAKE SYSTEM. THE EMERGENCY STOP DEVICE (100)WITH THE ATTACHED HAND BRAKE SYSTEM COMPRISES: BRAKE UNITS (130) WHICH ARE EQUIPPED ON BOTH SIDES OF A CAR (110) AND CONTROL THE MOVEMENTS OF THE CAR (110) BY SELECTIVELY INTERFERING WITH GUIDE RAILS (120); AN OPERATION UNIT (140) WHICH IS CONNECTED WITH THE BRAKE UNITS (130) AND MANUALLY GRANTS BRAKING POWER TO THE BRAKING UNITS; AND AN INTERLOCKING UNIT (170) WHICH INTERLOCKS THE BRAKE UNITS (130).
Patent MY-167970-A (MY)
Title: Methods for cell phasing and placement in dynamic array architecture and implementation of the same
Inventor: JONATHAN R QUANDT
IPC: G06F17/50
Filed: 2009-07-02
Abstract: A SEMICONDUCTOR CHIP IS DEFINED TO INCLUDE A LOGIC BLOCK AREA HAVING A FIRST CHIP LEVEL IN WHICH LAYOUT FEATURES ARE PLACED ACCORDING TO A FIRST VIRTUAL GRATE, AND A SECOND CHIP LEVEL IN WHICH LAYOUT FEATURES ARE PLACED ACCORDING TO A SECOND VIRTUAL GRATE. A RATIONAL SPATIAL RELATIONSHIP EXISTS BETWEEN THE FIRST AND SECOND VIRTUAL GRATES. A NUMBER OF CELLS ARE PLACED WITHIN THE LOGIC BLOCK AREA. EACH OF THE NUMBER OF CELLS IS DEFINED ACCORDING TO AN APPROPRIATE ONE OF A NUMBER OF CELL PHASES. THE APPROPRIATE ONE OF THE NUMBER OF CELL PHASES CAUSES LAYOUT FEATURES IN THE FIRST AND SECOND CHIP LEVELS OF A GIVEN PLACED CELL TO BE ALIGNED WITH THE FIRST AND SECOND VIRTUAL GRATES AS POSITIONED WITHIN THE GIVEN PLACED CELL.
Patent MY-174455-A (MY)
Title: Device managed access point lists in wireless communications
Inventor: HORN GAVIN B
Filed: 2009-03-26
Abstract: Systems and methodologies are described that facilitate device-side access point list management. Blacklists of access points (102, 124, 204, 208) unsuitable for providing network access to a related mobile device can be maintained as well as whitelists of suitable access points. The lists can be managed using an interface provided at the mobile device. In addition, lists can be modified according to provisioned network updates. Also, the lists can be of maximum size such that older entries can be purged upon insertion of newer entries based on a number of factors; timed entry deletion is provided as well. Access points (102, 124, 204, 208) in the lists can be stored and presented according to various identifiers related to the access points (102, 124, 204, 208).
Patent MY-172452-A (MY)
Title: Recycling management system, recycling management method, and program
Inventor: YOSHIAKI ARAI
IPC: B09B5/00
Filed: 2014-07-16
Abstract: A recycling management system ( 100) of the invention includes: a dismantling management terminal (4, 41, 42, 43, 44, 45) configured to receive inherent recyclable product identification information and recyclable product attribution information in a step where a recyclable product is about to be loaded into a dismantling apparatus ( 406), the inherent recyclable product identification information being assigned to identify the recyclable product and the recyclable product attribution information indicating attributes of the recyclable product; and a dismantling information management server (7) configured to determine whether or not the recyclable product is a dismantling target of ongoing dismantlement treatment in the dismantling apparatus ( 406) based on the recyclable product attribution information with reference to information indicating a dismantling target of the ongoing dismantlement treatment in the dismantling apparatus (406).
Patent MY-193935-A (MY)
Title: A method of controlling a bus access priority order in multiple masters i2c bus
Inventor: LAM KIEN SIENG
IPC: G06F13/42
Filed: 2015-05-30
Abstract: A method of controlling a bus access priority order in multiple masters I2C bus is provided, characterized in that, the method includes extending I2C packet by adding a priority frame before address and data packets; the method further includes the steps of initiating a transaction onto a common bus by issuing a START bit (101), setting an access priority level dynamically in a subsequent 7-bit frame (103), setting a transfer direction to WRITE (105), ignore the ACK bit (106), issue a Repeated START bit to continue holding bus access and readdressing to a designated slave (107), such that, a first master that produces a value of ?1? when other masters produce a ?0? loses arbitration to gain priority to access the bus.
Patent MY-186796-A (MY)
Title: Photovoltaic devices and method of making
Inventor: BLAYDES HOLLY ANN
IPC: H01L27/142
Filed: 2014-05-02
Abstract: A photovoltaic device (100, 200) is presented. The photovoltaic device (100, 200) includes a layer stack (110,210); and an absorber layer (120,220) is disposed on the layer stack ( 110, 210). The absorber layer ( 120, 220) comprises selenium ( 125), wherein an atomic concentration of selenium varies across a thickness of the absorber layer ( 120, 220). The photovoltaic device ( 100, 200) is substantially free of a cadmium sulfide layer.
Patent MY-183834-A (MY)
Title: Polyurethane resin
Inventor: YASUNORI FUJIMOTO
Filed: 2014-05-22
Abstract: [Problem] To provide a polyurethane resin which is excellent in the thermal durability under a cold-hot cycle. [Means for Solving the Problem] The present invention relates to a cured product of a polyurethane resin composition that is a cured product of a polyurethane resin composition containing a compound containing a hydroxyl group, a compound containing an isocyanate group and (D) an inorganic filler, wherein the compound containing a hydroxyl group contains (A) a polybutadiene polyol, the compound containing an isocyanate group contains (B) an isocyanurate-modified polyisocyanate compound and (C) an allophanate-modified polyisocyanate compound.
Patent MY-188969-A (MY)
Title: Methods and systems for tensioner connection
Inventor: FIFE B ELLIS
Filed: 2016-06-20
Abstract: Improved methods and systems for connecting a riser (206) tensioner system to a riser are disclosed. A system for coupling a tensioner cylinder (202) to a riser (206) includes a top pin connection (212) disposed at a first distal end of the tensioner cylinder (202). The top pin connection (212) couples the tensioner cylinder (202) to a platform (208). The tensioner cylinder (202) includes an extension rod (203) and a bottom pin connection (214) is disposed at a second distal end of the tensioner cylinder (202) on the extension rod (203). A tension ring (204) is coupled to the riser (206). An adjustable linkage system is coupled to the tensioner cylinder (202) and includes an attachment mechanism and a positioning mechanism. The adjustable linkage system is operable to couple the tensioner cylinder (202) to the tension ring (204). (Figure 2B)
Patent MY-177603-A (MY)
Title: Expanding piston for a subsurface safety valve
Inventor: VICK JR JAMES DAN
Filed: 2013-11-11
Abstract: Disclosed are subsurface safety valves (112) having an expanding piston (302, 502, 602, 802) used to increase the opening force for the safety valve (112). One disclosed safety valve (112) includes a housing having a piston bore (208) defined therein and configured to receive hydraulic fluid pressure, the piston bore (208) providing a tapered portion (300) having a first end (301a) and a second end (301b), wherein a cross-sectional diameter of the tapered portion (300) progressively increases from the first end (301a) to the second end (301b), and a piston assembly (210, 500, 600, 800) movably arranged within the piston bore (208) and comprising a piston rod (218) that extends longitudinally within at least a portion of the piston bore (208) and an expanding piston (302, 502, 602, 802) coupled to the piston rod (218), wherein the expanding piston (302, 502, 602, 802) is configured to move between a contracted configuration and an expanded configuration to sealingly engage the tapered portion (300) as the piston assembly moves between the first (301a) and second ends (301b ).
Patent MY-187306-A (MY)
Title: Parking management method, server, user terminal and system
Inventor: XU YANGHUI
IPC: H04W4/44
Filed: 2015-12-23
Abstract: A parking management method, a server, a user terminal and a system are provided. The parking management method includes: acquiring a parking service information request sent by a user terminal (S101); acquiring parking service information of a bound vehicle of the user terminal, where the parking service information includes a transfer data volume corresponding to a parking service of the bound vehicle in a target parking lot (S102); sending the parking service information to the user terminal to make the user terminal submit a data transfer request to a data transfer server based on the parking service information, to request the data transfer server to transfer the transfer data volume from an account of the user terminal to an account of the parking management server (S103). With the parking management method, the server, the user terminal and the system, a parking service can be managed by a communication application, thereby greatly improving the efficiency of the parking management. (Figure 1)
Patent MY-181455-A (MY)
Title: Sealed, heat-insulated vessel housed in a buoyant structure
Inventor: BLEOMELEN MAEL
IPC: F17C13/12
Filed: 2015-04-03
Abstract: A floating structure comprises a sealed and thermally insulated tank (1). An upper bearing wall (7) bears a turret-like cargo tank dome (15, 21) intended for the passage of cargo handling equipment (16, 22). The turret-like cargo tank dome comprises an internal fluidtight wall forming a sheath (22) engaged through the opening in the upper bearing wall (7) and connected in fluidtight manner to the primary sealing membrane (13) of the upper tank wall all around the sheath. Respective primary and secondary venting devices allow gas to be vented respectively from the primary and secondary spaces of the turret-like cargo tank dome. A gas reservoir containing a tracer gas that is non-condensable or that has a condensation temperature below the low temperature of the liquefied gas contained in the tank is connected via a control valve to one of the venting devices that are the primary venting device and the secondary venting device. A gas detector able to detect the tracer gas is in communication with the other of those devices.
Patent MY-179007-A (MY)
Title: Spraying apparatus
Inventor: DAISUKE TABATA
Filed: 2016-12-08
Abstract: Spraying apparatus includes: inner lid (13); outer lid (14); and gas-liquid mixing section (15) between inner lid (13) and outer lid (14) wherein a liquid is introduced into gas-liquid mixing section (15) from a position upstream and proximate outer lid plate (14a) of outer lid (14), and a gas is introduced into gas- liquid mixing section (15) from an opposite position , the liquid is atomized in gas- liquid mixing section (15) by the liquid impinging with the gas and transforming into a gas-liquid mixed fluid , and advancing to spouting portion (16) as the gas-liquid mixed fluid is circulated along outer lid plate (14a) of outer lid (14) in gas-liquid mixing section (15).
Patent MY-186262-A (MY)
Title: Method and circuit for tracking a slave output voltage
Inventor: NIKUNJ GANDHI
IPC: H02M1/36
Filed: 2017-04-27
Abstract: A voltage tracking and sequencing circuit for controlling the slave output voltage of one or more power supplies in response to a time-varying master voltage, by coincident tracking, ratio- metric tracking or offset tracking the slave output voltage at a desired slave ramp rate, according to a linear relationship between the offset value and the master ramp rate, comprises a master voltage source, a voltage divider circuit (2) comprising first and second resistor elements (21, 22) coupled to the master voltage source to produce a divided master voltage for controlling the behavior of the slave output voltage, a first current source (3) with a third resistor element (33) coupled to the voltage divider circuit (2) for generating a predetermined input current according to the divided master voltage, a current mirror circuit (4) coupled to the first current source (3) and tied to a supply voltage, for receiving the input current from the first current source (3) and generating an output current according to a predetermined ratio of the input current from the first current source, a slave voltage output terminal coupled to a fourth resistor element (7), a first switch (5) and a second switch (6), each coupled to the current mirror circuit (4) for receiving the output current from the current mirror circuit. The first switch (5) coupled to the fourth resistor element and providing a slave output voltage at the slave voltage output terminal according to operation of the first switch, while the second switch (6) coupled to a comparator controlled current source, which provides a control voltage that controls operation of the first switch (5) . Based on the control voltage, the first switch (5) selectively adopts an off-state in which no output slave voltage is generated and an on-state in which the slave output voltage is generated, so as to define the offset value. (Figure 2)